1: (1 5 7)

(0 19 17 12 2)(1 14 11 7 3)(4 9 6)(5)(8 16 15 13 10)(18 21 20)

2: (4 9 6)

(0 19 17 12 2)(1 14 11 7 3)(4)(5)(6)(8 16 15 13 10)(9)(18 21 20)

3: (3 11 7)

(0 19 17 12 2)(1 14 11)(3)(4)(5)(6)(7)(8 16 15 13 10)(9)(18 21 20)

4: (8 16 10)

(0 19 17 12 2)(1 14 11)(3)(4)(5)(6)(7)(8)(9)(10 15 13)(16)(18 21 20)